Improve compatibility with the Escalade plugin

CHANGELOG.md

@@ -6,5 +6,3 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [unreleased]
-
-

src/Config.php

@@ -41,6 +41,7 @@
 use Entity;
 use Glpi\Application\View\TemplateRenderer;
 use Migration;
+use Plugin;
 use Session;
 
 class Config extends CommonDBTM
@@ -192,6 +193,90 @@ public static function getSelectableActorGroup(): array
         ];
     }
 
+    /**
+     * Escalade provides the same feature ("Use the technician's group") with a
+     * global configuration, while this plugin configures it per entity. When the
+     * Escalade option is effectively enabled, it takes precedence over ours.
+     */
+    public static function isTechnicianGroupHandledByEscalade(): bool
+    {
+        if (!Plugin::isPluginActive('escalade')) {
+            return false;
+        }
+
+        $escalade_config = self::getEscaladeConfig();
+        if ($escalade_config === null) {
+            return false;
+        }
+
+        // The main option only selects which groups are used: the feature stays
+        // inert unless it is also enabled on creation and/or on modification.
+        if ((int) ($escalade_config['use_assign_user_group'] ?? 0) === 0) {
+            return false;
+        }
+
+        // Older Escalade versions have no sub-options: the main one was enough.
+        $on_creation     = (int) ($escalade_config['use_assign_user_group_creation'] ?? 1) !== 0;
+        $on_modification = (int) ($escalade_config['use_assign_user_group_modification'] ?? 1) !== 0;
+
+        // On creation, Escalade steps aside when the Behaviors plugin owns the
+        // feature (see PluginEscaladeTicket::assignUserGroup()).
+        if ($on_creation && self::isTechnicianGroupHandledByBehaviors()) {
+            $on_creation = false;
+        }
+
+        return $on_creation || $on_modification;
+    }
+
+    /**
+     * Get the Escalade configuration, from the session when available, from the
+     * database otherwise (CLI, tests, ...).
+     *
+     * @return array<string, mixed>|null
+     */
+    private static function getEscaladeConfig(): ?array
+    {
+        /** @var \DBmysql $DB */
+        global $DB;
+
+        if (isset($_SESSION['glpi_plugins']['escalade']['config']) && is_array($_SESSION['glpi_plugins']['escalade']['config'])) {
+            return $_SESSION['glpi_plugins']['escalade']['config'];
+        }
+
+        $table = 'glpi_plugin_escalade_configs';
+        if (!$DB->tableExists($table) || !$DB->fieldExists($table, 'use_assign_user_group')) {
+            return null;
+        }
+
+        $fields = ['use_assign_user_group'];
+        foreach (['use_assign_user_group_creation', 'use_assign_user_group_modification'] as $field) {
+            if ($DB->fieldExists($table, $field)) {
+                $fields[] = $field;
+            }
+        }
+
+        $escalade_config = $DB->request([
+            'SELECT' => $fields,
+            'FROM'   => $table,
+            'LIMIT'  => 1,
+        ])->current();
+
+        return is_array($escalade_config) ? $escalade_config : null;
+    }
+
+    /**
+     * The Behaviors plugin provides the same feature too, and Escalade gives it
+     * precedence on ticket creation.
+     */
+    private static function isTechnicianGroupHandledByBehaviors(): bool
+    {
+        if (!Plugin::isPluginActive('behaviors') || !class_exists(\GlpiPlugin\Behaviors\Config::class)) {
+            return false;
+        }
+
+        return (int) \GlpiPlugin\Behaviors\Config::getInstance()->getField('use_assign_user_group') !== 0;
+    }
+
     public static function showForEntity(Entity $item): void
     {
         $moconfig = new self();
@@ -217,6 +302,7 @@ public static function showForEntity(Entity $item): void
                 'dropdown_options'   => self::getSelectableActorGroup(),
                 'inheritance_labels' => $inheritance_labels,
                 'config_parent'      => self::CONFIG_PARENT,
+                'escalade_takes_technician_group' => self::isTechnicianGroupHandledByEscalade(),
                 'params'             => [
                     'canedit' => self::canUpdate(),
                 ],

src/Controller.php

@@ -94,6 +94,12 @@ public static function useConfig(CommonDBTM $item): void
                     }
                 } elseif ($item->fields['type'] == \CommonITILActor::ASSIGN) {
                     if ($moconfig->fields['take_technician_group_ticket'] != 0) {
+                        if (Config::isTechnicianGroupHandledByEscalade()) {
+                            // Escalade handles the same feature with a global
+                            // configuration: it takes precedence over ours, so we
+                            // just skip our own processing.
+                            return;
+                        }
                         self::addGroupsForActorType($item, $moconfig, \CommonITILActor::ASSIGN, 'take_technician_group_ticket', 'Ticket');
                     }
                 }
@@ -209,6 +215,15 @@ private static function addGroupsForActorType(CommonDBTM $item, Config $moconfig
 
         $object->getFromDB($item->fields[$idField]);
 
+        // Escalade reacts to every technician group assignment: it would keep only
+        // the last group added and unassign the technicians. This flag asks it to
+        // skip its own processing for the assignments we make here, which also means
+        // no group cleanup, no escalation history entry and no automatic status
+        // change on its side.
+        $escalade_options = $groupClass === Group_Ticket::class
+            ? ['_plugin_escalade_rules_only' => true]
+            : [];
+
         $actors = $object->getActorsForType($actorType);
         foreach ($actors as $actor) {
             if (!is_array($actor) || !isset($actor['itemtype']) || $actor['itemtype'] !== 'User') {
@@ -229,7 +244,7 @@ private static function addGroupsForActorType(CommonDBTM $item, Config $moconfig
                 ];
 
                 if (!$t_group->getFromDBByCrit($criteria)) {
-                    $t_group->add($criteria);
+                    $t_group->add($criteria + $escalade_options);
                 }
             } else {
                 // Use all groups of the user
@@ -250,7 +265,7 @@ private static function addGroupsForActorType(CommonDBTM $item, Config $moconfig
                         ];
 
                         if (!$t_group->getFromDBByCrit($criteria)) {
-                            $t_group->add($criteria);
+                            $t_group->add($criteria + $escalade_options);
                         }
                     }
                 }

templates/config.html.twig

@@ -41,6 +41,16 @@
 {% set dropdown_options_with_inherit = inherit_option + dropdown_options %}
 {% set cell_options = {'no_label': true, 'field_class': 'col-12'} %}
 
+{# Escalade owns the same feature with a global configuration: our per-entity option is then inoperative #}
+{% set escalade_takes_technician_group = escalade_takes_technician_group|default(false) %}
+{% set escalade_technician_group_warning %}
+    {% if escalade_takes_technician_group %}
+        <div class="text-warning small mt-1">
+            <i class="ti ti-alert-triangle me-1"></i>{{ __('The "Use the technician\'s group" option from Escalade is enabled and takes precedence over this one.', 'moreoptions') }}
+        </div>
+    {% endif %}
+{% endset %}
+
 <div class="asset">
     <form action="{{ path('plugins/moreoptions/front/config.form.php') }}" method="post">
     {% set item_has_pictures = item.hasItemtypeOrModelPictures() %}
@@ -81,7 +91,7 @@
                                     </tr>
                                     <tr>
                                         <td>{{ __('Take the technician group', 'moreoptions') }}</td>
-                                        <td>{{ fields.dropdownArrayField('take_technician_group_ticket', item.fields['take_technician_group_ticket'], dropdown_options_with_inherit, '', cell_options|merge({'add_field_html': inheritance_labels['take_technician_group_ticket']|default(null)})) }}</td>
+                                        <td>{{ fields.dropdownArrayField('take_technician_group_ticket', item.fields['take_technician_group_ticket'], dropdown_options_with_inherit, '', cell_options|merge({'disabled': escalade_takes_technician_group, 'add_field_html': (inheritance_labels['take_technician_group_ticket']|default('')) ~ escalade_technician_group_warning})) }}</td>
                                         <td>{{ fields.dropdownArrayField('take_technician_group_change', item.fields['take_technician_group_change'], dropdown_options_with_inherit, '', cell_options|merge({'add_field_html': inheritance_labels['take_technician_group_change']|default(null)})) }}</td>
                                         <td>{{ fields.dropdownArrayField('take_technician_group_problem', item.fields['take_technician_group_problem'], dropdown_options_with_inherit, '', cell_options|merge({'add_field_html': inheritance_labels['take_technician_group_problem']|default(null)})) }}</td>
                                     </tr>